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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

14 years ago

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

14 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

14 years ago

Answered
ifanbeam and iradon
The <http://www.mathworks.com/help/toolbox/images/ref/fanbeam.html documentation for fanbeam> has geometry diagrams that might b...

14 years ago | 0

Answered
Problem using imtransform with custom functions
imtransform uses the "inverse mapping" technique to compute the geometric transform of an image. See my blog posts on <http://b...

14 years ago | 0

Answered
storing multiple image in single file
There is a method for writing multiple images to a TIFF file that has been in MATLAB a long time. It does not require the recent...

14 years ago | 2

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Answered
convert image from uint8 to double
You are getting the message "Undefined function or method 'im2double' ..." because that function is part of the Image Processing...

14 years ago | 5

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Answered
using discrete FT with iradon
Fast Fourier transform, or FFT, refers to a family of fast algorithms for computing the discrete Fourier transform, or DFT. See ...

14 years ago | 0

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What evaluates to "true" in matlab?
I don't have anything substantial to add to the previous answers, but I wanted to point out that the behavior of IF for nonscala...

15 years ago | 1

Answered
How do I properly cite IPT demo images?
The general answer is that you should approach the copyright owner for permission to use sample images in your publications. For...

15 years ago | 0

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Problem on 'bitand' method
Here's a different kind of overlay: Iresult = I1; Iresult(ICmp) = 255; % assuming I1 is uint8 This version turns all ...

15 years ago | 0

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Problem on 'bitand' method
The general answer is to use the elementwise logical operators &, |, and ~ instead of bitand and bitor to do this sort of manipu...

15 years ago | 0

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How do I fill 4-connected cells in an matrix?
I posted an answer (using bwhitmiss) in response to your <http://www.mathworks.com/matlabcentral/answers/4445-fill-4-connected-c...

15 years ago | 0

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Fill 4-connected cells exclusively
I assume you meant your sample matrices to be 8-by-8 instead of 1-by-64? If that's true, then it looks like you want to change a...

15 years ago | 1

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How do I fill 4-connected cells in an matrix?
>> imfill(A,4,'holes') ans = 1 1 1 0 1 0 1 1 1 1 1 1 1 ...

15 years ago | 0

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How does Matlab function imresize calculate values on borders of image
When the interpolation computation needs pixel values outside the domain of the image, it assumes they are equal to the nearest ...

15 years ago | 1

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Image processing toolbox- bwtraceboundary function
For question 1, use bwboundaries instead of bwtraceboundary. The function bwboundaries is intended to automatically trace all bo...

15 years ago | 1